Home / 13,155.44-19,733.56-5,756.09

Finding the Fourth Proportional to 13,155.44, 19,733.56 and 5,756.09

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Solution

The fourth proportional to 13,155.44, 19,733.56 and 5,756.09 is: 8,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.44 : 19,733.56 = 5,756.09 : x
  2. Step 2: Convert to fraction form
    13,155.44/19,733.56 = 5,756.09/x
  3. Step 3: Cross multiply
    13,155.44x = 19,733.56 × 5,756.09
  4. Step 4: Simplify right side
    13,155.44x = 113,588,034.32
  5. Step 5: Solve for x
    x = 113,588,034.32/13,155.44
  6. Step 6: Final answer
    x = 8,634.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.